Log base3 (6*13.5) log base 3 (81) log base 3 (3)^4 4 log base 3 (3) 4 * 1 = 4
First condense the logs by using the product rule. Next rewrite 81 in terms of 3. Use the power rule and bring the 4 to the front. log base 3 (3) = 1 Which leaves 4 * 1 = 4
